In 'Whose Hello Is It, Anyway?', players take on the role of a quirky private detective who specializes in solving seemingly trivial cases that spiral into hilarious, high-stakes adventures. The plot centers around a bizarre phenomenon where people's greetings have mysteriously vanished, leading to misunderstandings, misplaced identities, and a rogue greeting card gang. Players must navigate a vibrant city, interrogate eccentric characters, and solve witty puzzles to uncover the truth behind the vanishing hellos, proving that sometimes the mundane can lead to the most unpredictable crises.